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Brother MFC-9840CDW Service Manual

Brother MFC-9840CDW
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Confidential
1-34
Error code C4
Tray 2 Error
Take out Tray 2 and push it back in firmly.
Tray 2 (LT) plate-up function malfunction
User Check
- Check if Tray 2 (LT) is installed into the machine.
Step Cause
Remedy
1 Connection failure between
the machine and LT
connector
Replace the connector.
2 Harness connection failure of
plate motor ASSY LT
Check the harness connection of the plate motor
ASSY LT and reconnect it.
3 Harness connection failure of
LT paper feed frame unit
Check the harness connection of the LT paper
feed frame unit and reconnect it.
4 LT paper feed frame unit
failure
Check the sensor performance following the
procedure described in “Maintenance mode 32”. If
any problem occurs, replace the LT paper feed
frame unit.
5 Engine PCB failure Replace the engine PCB ASSY.
Error code C5
EL Error
Open the Front Cover and close it again.
EL lamp electrifying failure
User Check
- Open and close the front cover.
Step Cause
Remedy
1 Dirt on electrodes on drum
unit and front cover
Clean both electrodes.
2 EL lamp PCB failure Replace the drum unit.
3 EL lamp PCB harness broken Replace the front door unit ASSY.
4 Engine PCB failure Replace the engine PCB ASSY.
Error code C6
Toner Error
A Toner is not detected. Put all the Toner Cartridges back in
correctly.
Toner cartridge mis-dividing
Step Cause
Remedy
1 Harness connection failure of
develop release motor
Check the harness connection of the develop
release motor and reconnect it.
2 Develop release sensor PCB
failure
Replace the develop release sensor PCB ASSY.
3 Engine PCB failure Replace the engine PCB ASSY.

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Brother MFC-9840CDW Specifications

General IconGeneral
Print technologyLaser
Maximum resolution600 x 2400 DPI
Economical printingYes
Time to first page (black, normal)16 s
Time to first page (color, normal)17 s
Print speed (black, normal quality, A4/US Letter)20 ppm
Scan toE-mail, FTP, OCR, USB
Scanner typeFlatbed scanner
Grayscale levels256
Input color depth48 bit
Maximum scan resolution19200 x 19200 DPI
Optical scanning resolution1200 x 2400 DPI
Copier resize25 - 400 %
Maximum copy resolution1200 x 600 DPI
N-in-1 copy function (N=)4, 9, 16, 25
Copy speed (black, normal quality, A4)16 cpm
FaxingMono faxing
Fax memory400 pages
Modem speed33.6 Kbit/s
Fax speed dialing (max numbers)300
Total input capacity250 sheets
Total output capacity150 sheets
Multi-Purpose tray input capacity50 sheets
Auto document feeder (ADF) input capacity35 sheets
Internal memory128 MB
Sound power level (standby)30 dB
Sound pressure level (printing)54.5 dB
Custom media sizes(69.9 - 216mm) - (116 - 406.4mm)
Dimensions (WxDxH)530 x 539 x 520 mm
Networking features10/100Base-TX
Wireless technologyIEEE 802.11b/g
All-in-one functionsCopy, Fax, Scan
Maximum internal memory0.640 GB
Color all-in-one functionscopy, print, scan
Media weight (tray 1)60 - 105g/m2
Paper tray media typesBond paper, Envelopes, Labels, Plain paper, Recycled paper
Non-ISO print media sizesExecutive (184 x 267mm), Folio (media size), Legal (media size), Letter (media size)
ISO A-series sizes (A0...A9)A4, A5, A6
ISO B-series sizes (B0...B9)B5, B6
JIS B-series sizes (B0...B9)B5
Maximum ISO A-series paper sizeA4
Multi-Purpose Tray media weight60 - 163 g/m²
Security algorithmsLEAP
Supported network protocols (IPv4)TCP/IP (IPv4 & IPv6)
Standard interfacesUSB 2.0
USB 2.0 ports quantity1
Bundled softwareScanSoft PaperPort (Win) NewSoft Presto! PageManager (Mac)
Power consumption (PowerSave)36 W
Power consumption (average operating)515, 100 W
Package weight45800 g
Digital senderNo
Maximum duty cycle3000 pages per month
Market positioningBusiness

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